低压差同步双固定凡尔深井泵研制
China Petroleum and Chemical Standard and Quality（2019）
Abstract
针对深井泵存在泵效低和固定凡尔易刺漏的问题研制了低压差同步双固定凡尔深井泵.该泵采用泵筒内外双层结构、双固定凡尔、联杆机构、顶杆机构.使其解决了固定凡尔开关滞后、泵的充满度低及泵筒内外压差大导致泵漏失量增大的问题.在中低渗油藏应用了47井次,平均单井延长检泵周期161 d,单井泵效提高8.9％,累计增油7500 t.
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